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PreprintarXiv licencearXiv

Spin density from second order transport in fluids

  • Domingo Gallegos
  • Roi Klein
  • Amos Yarom
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Abstract

We study the hydrodynamics of a charged fluid with spin degrees of freedom. We argue that, in a conformal field theory in 3+1 dimensions, the spin density is related to a linear combination of standard second-order transport coefficients, and an additional term quadratic in the gauge- and mixed gauge-gravitational anomaly coefficients. We compute the spin density in several free and holographic theories and compare the results.

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Cite

BibTeXRIS
BibTeX
@misc{gallegos2026spin,
  title = {{Spin density from second order transport in fluids}},
  author = {Domingo Gallegos and Roi Klein and Amos Yarom},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.23399},
  eprint = {2609.23399},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.23399},
}
RIS
TY  - UNPB
TI  - Spin density from second order transport in fluids
AU  - Domingo Gallegos
AU  - Roi Klein
AU  - Amos Yarom
PY  - 2026
DA  - 2026/09/20
PB  - arXiv
DO  - 10.48550/arxiv.2609.23399
UR  - https://arxiv.org/abs/2609.23399
AB  - We study the hydrodynamics of a charged fluid with spin degrees of freedom. We argue that, in a conformal field theory in 3+1 dimensions, the spin density is related to a linear combination of standard second-order transport coefficients, and an additional term quadratic in the gauge- and mixed gauge-gravitational anomaly coefficients. We compute the spin density in several free and holographic theories and compare the results.
ER  -